- >displacement sensor
- >osmolometer
- >strain gauge
- >ultrasonic sensor
- >hydraulic ceramics static level
- >tipping bucket rain gauge
- >inclinometer
- >acquisition device
- >audible and visual alarm
- >acceleration sensor
- >GNSS
- >water level gauge
- >fixed inclinometer
- >magnetostrictive static level
- >crystalline silicon static level
- >pull wire displacement sensor
- >video displacement sensor
- >laser ranging sensor
- >Vibrating string pore water pressure gauge
- >Vibrating string anchor cable dynamometer
- >Vibrating string earth pressure gauge
- >Vibrating wire type steel bar meter
- >Vibrating wire displacement sensor
Vibrating string earth pressure gauge

Instrument specifications:0.2MPa
Instrument model:RL-2020
Instrument number:021306
Insulation resistance :≥50MΩ
Factory frequency value:1091(Hz)
Seepage pressure:1MPa
Cable length:1M
Calibration coefficient:K value:K=K=1.72×10-7MPa/Hz²
Calculation formula:P=K(fo²-fi²)
P:Megapascal value (MPa)
fo:Initial frequency value(Hz)
fi:Real time measurement of frequency values(Hz)
Remarks:Has passed ISO9001 quality system certification.
The black and red lines are frequency lines.
